tests/tcctest.c

   1 /*
   2  * TCC auto test program
   3  */
   4 #include "../config.h"
   5
   6 #if GCC_MAJOR >= 3
   7
   8 /* Unfortunately, gcc version < 3 does not handle that! */
   9 #define ALL_ISOC99
  10
  11 /* only gcc 3 handles _Bool correctly */
  12 #define BOOL_ISOC99
  13
  14 /* gcc 2.95.3 does not handle correctly CR in strings or after strays */
  15 #define CORRECT_CR_HANDLING
  16
  17 #endif
  18
  19 /* deprecated and no longer supported in gcc 3.3 */
  20 //#define ACCEPT_CR_IN_STRINGS
  21
  22 /* __VA_ARGS__ and __func__ support */
  23 #define C99_MACROS
  24
  25 /* test various include syntaxes */
  26
  27 #define TCCLIB_INC <tcclib.h>
  28 #define TCCLIB_INC1 <tcclib
  29 #define TCCLIB_INC2 h>
  30 #define TCCLIB_INC3 "tcclib"
  31
  32 #include TCCLIB_INC
  33
  34 #include TCCLIB_INC1.TCCLIB_INC2
  35
  36 #include TCCLIB_INC1.h>
  37
  38 /* gcc 3.2 does not accept that (bug ?) */
  39 //#include TCCLIB_INC3 ".h"
  40
  41 #include <tcclib.h>
  42
  43 #include "tcclib.h"
  44
  45 void string_test();
  46 void expr_test();
  47 void macro_test();
  48 void recursive_macro_test();
  49 void scope_test();
  50 void forward_test();
  51 void funcptr_test();
  52 void loop_test();
  53 void switch_test();
  54 void goto_test();
  55 void enum_test();
  56 void typedef_test();
  57 void struct_test();
  58 void array_test();
  59 void expr_ptr_test();
  60 void bool_test();
  61 void expr2_test();
  62 void constant_expr_test();
  63 void expr_cmp_test();
  64 void char_short_test();
  65 void init_test(void);
  66 void compound_literal_test(void);
  67 int kr_test();
  68 void struct_assign_test(void);
  69 void cast_test(void);
  70 void bitfield_test(void);
  71 void c99_bool_test(void);
  72 void float_test(void);
  73 void longlong_test(void);
  74 void manyarg_test(void);
  75 void stdarg_test(void);
  76 void whitespace_test(void);
  77 void relocation_test(void);
  78 void old_style_function(void);
  79 void alloca_test(void);
  80 void sizeof_test(void);
  81 void typeof_test(void);
  82 void local_label_test(void);
  83 void statement_expr_test(void);
  84 void asm_test(void);
  85 void builtin_test(void);
  86 void weak_test(void);
  87
  88 int fib(int n);
  89 void num(int n);
  90 void forward_ref(void);
  91 int isid(int c);
  92
  93 #define A 2
  94 #define N 1234 + A
  95 #define pf printf
  96 #define M1(a, b)  (a) + (b)
  97
  98 #define str\
  99 (s) # s
 100 #define glue(a, b) a ## b
 101 #define xglue(a, b) glue(a, b)
 102 #define HIGHLOW "hello"
 103 #define LOW LOW ", world"
 104
 105 #define min(a, b) ((a) < (b) ? (a) : (b))
 106
 107 #ifdef C99_MACROS
 108 #define dprintf(level,...) printf(__VA_ARGS__)
 109 #endif
 110
 111 /* gcc vararg macros */
 112 #define dprintf1(level, fmt, args...) printf(fmt, ## args)
 113
 114 #define MACRO_NOARGS()
 115
 116 #define AAA 3
 117 #undef AAA
 118 #define AAA 4
 119
 120 #if 1
 121 #define B3 1
 122 #elif 1
 123 #define B3 2
 124 #elif 0
 125 #define B3 3
 126 #else
 127 #define B3 4
 128 #endif
 129
 130 #define __INT64_C(c)    c ## LL
 131 #define INT64_MIN       (-__INT64_C(9223372036854775807)-1)
 132
 133 int qq(int x)
 134 {
 135     return x + 40;
 136 }
 137 #define qq(x) x
 138
 139 #define spin_lock(lock) do { } while (0)
 140 #define wq_spin_lock spin_lock
 141 #define TEST2() wq_spin_lock(a)
 142
 143 void macro_test(void)
 144 {
 145     printf("macro:\n");\f\v
 146     pf("N=%d\n", N);
 147     printf("aaa=%d\n", AAA);
 148
 149     printf("min=%d\n", min(1, min(2, -1)));
 150
 151     printf("s1=%s\n", glue(HIGH, LOW));
 152     printf("s2=%s\n", xglue(HIGH, LOW));
 153     printf("s3=%s\n", str("c"));
 154     printf("s4=%s\n", str(a1));
 155     printf("B3=%d\n", B3);
 156
 157 #ifdef A
 158     printf("A defined\n");
 159 #endif
 160 #ifdef B
 161     printf("B defined\n");
 162 #endif
 163 #ifdef A
 164     printf("A defined\n");
 165 #else
 166     printf("A not defined\n");
 167 #endif
 168 #ifdef B
 169     printf("B defined\n");
 170 #else
 171     printf("B not defined\n");
 172 #endif
 173
 174 #ifdef A
 175     printf("A defined\n");
 176 #ifdef B
 177     printf("B1 defined\n");
 178 #else
 179     printf("B1 not defined\n");
 180 #endif
 181 #else
 182     printf("A not defined\n");
 183 #ifdef B
 184     printf("B2 defined\n");
 185 #else
 186     printf("B2 not defined\n");
 187 #endif
 188 #endif
 189
 190 #if 1+1
 191     printf("test true1\n");
 192 #endif
 193 #if 0
 194     printf("test true2\n");
 195 #endif
 196 #if 1-1
 197     printf("test true3\n");
 198 #endif
 199 #if defined(A)
 200     printf("test trueA\n");
 201 #endif
 202 #if defined(B)
 203     printf("test trueB\n");
 204 #endif
 205
 206 #if 0
 207     printf("test 0\n");
 208 #elif 0
 209     printf("test 1\n");
 210 #elif 2
 211     printf("test 2\n");
 212 #else
 213     printf("test 3\n");
 214 #endif
 215
 216     MACRO_NOARGS();
 217
 218 #ifdef __LINE__
 219     printf("__LINE__ defined\n");
 220 #endif
 221
 222     printf("__LINE__=%d __FILE__=%s\n",
 223            __LINE__, __FILE__);
 224 #line 200
 225     printf("__LINE__=%d __FILE__=%s\n",
 226            __LINE__, __FILE__);
 227 #line 203 "test"
 228     printf("__LINE__=%d __FILE__=%s\n",
 229            __LINE__, __FILE__);
 230 #line 227 "tcctest.c"
 231
 232     /* not strictly preprocessor, but we test it there */
 233 #ifdef C99_MACROS
 234     printf("__func__ = %s\n", __func__);
 235     dprintf(1, "vaarg=%d\n", 1);
 236 #endif
 237     dprintf1(1, "vaarg1\n");
 238     dprintf1(1, "vaarg1=%d\n", 2);
 239     dprintf1(1, "vaarg1=%d %d\n", 1, 2);
 240
 241     /* gcc extension */
 242     printf("func='%s'\n", __FUNCTION__);
 243
 244     /* complicated macros in glibc */
 245     printf("INT64_MIN=%Ld\n", INT64_MIN);
 246     {
 247         int a;
 248         a = 1;
 249         glue(a+, +);
 250         printf("a=%d\n", a);
 251         glue(a <, <= 2);
 252         printf("a=%d\n", a);
 253     }
 254
 255     /* macro function with argument outside the macro string */
 256 #define MF_s MF_hello
 257 #define MF_hello(msg) printf("%s\n",msg)
 258
 259 #define MF_t printf("tralala\n"); MF_hello
 260
 261     MF_s("hi");
 262     MF_t("hi");
 263
 264     /* test macro substituion inside args (should not eat stream) */
 265     printf("qq=%d\n", qq(qq)(2));
 266
 267     /* test zero argument case. NOTE: gcc 2.95.x does not accept a
 268        null argument without a space. gcc 3.2 fixes that. */
 269
 270 #define qq1(x) 1
 271     printf("qq1=%d\n", qq1( ));
 272
 273     /* comment with stray handling *\
 274 /
 275        /* this is a valid *\/ comment */
 276        /* this is a valid comment *\*/
 277     //  this is a valid\
 278 comment
 279
 280     /* test function macro substitution when the function name is
 281        substituted */
 282     TEST2();
 283 }
 284
 285
 286 static void print_num(char *fn, int line, int num) {
 287     printf("fn %s, line %d, num %d\n", fn, line, num);
 288 }
 289
 290 void recursive_macro_test(void)
 291 {
 292 #if 0 /* doesnt work yet */
 293 #define ELF32_ST_TYPE(val)              ((val) & 0xf)
 294 #define ELF32_ST_INFO(bind, type)       (((bind) << 4) + ((type) & 0xf))
 295 #define STB_WEAK        2               /* Weak symbol */
 296 #define ELFW(type) ELF##32##_##type
 297     printf("%d\n", ELFW(ST_INFO)(STB_WEAK, ELFW(ST_TYPE)(123)));
 298 #endif
 299
 300 #define WRAP(x) x
 301
 302 #define print_num(x) print_num(__FILE__,__LINE__,x)
 303     print_num(123);
 304     WRAP(print_num(123));
 305     WRAP(WRAP(print_num(123)));
 306
 307 static struct recursive_macro { int rm_field; } G;
 308 #define rm_field (G.rm_field)
 309     printf("rm_field = %d\n", rm_field);
 310     printf("rm_field = %d\n", WRAP(rm_field));
 311     WRAP((printf("rm_field = %d %d\n", rm_field, WRAP(rm_field))));
 312 }
 313
 314 int op(a,b)
 315 {
 316     return a / b;
 317 }
 318
 319 int ret(a)
 320 {
 321     if (a == 2)
 322         return 1;
 323     if (a == 3)
 324         return 2;
 325     return 0;
 326 }
 327
 328 void ps(const char *s)
 329 {
 330     int c;
 331     while (1) {
 332         c = *s;
 333         if (c == 0)
 334             break;
 335         printf("%c", c);
 336         s++;
 337     }
 338 }
 339
 340 const char foo1_string[] = "\
 341 bar\n\
 342 test\14\
 343 1";
 344
 345 void string_test()
 346 {
 347     unsigned int b;
 348     printf("string:\n");
 349     printf("\141\1423\143\n");/* dezdez test */
 350     printf("\x41\x42\x43\x3a\n");
 351     printf("c=%c\n", 'r');
 352     printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
 353     printf("foo1_string='%s'\n", foo1_string);
 354 #if 0
 355     printf("wstring=%S\n", L"abc");
 356     printf("wstring=%S\n", L"abc" L"def" "ghi");
 357     printf("'\\377'=%d '\\xff'=%d\n", '\377', '\xff');
 358     printf("L'\\377'=%d L'\\xff'=%d\n", L'\377', L'\xff');
 359 #endif
 360     ps("test\n");
 361     b = 32;
 362     while ((b = b + 1) < 96) {
 363         printf("%c", b);
 364     }
 365     printf("\n");
 366     printf("fib=%d\n", fib(33));
 367     b = 262144;
 368     while (b != 0x80000000) {
 369         num(b);
 370         b = b * 2;
 371     }
 372 }
 373
 374 void loop_test()
 375 {
 376     int i;
 377     i = 0;
 378     while (i < 10)
 379         printf("%d", i++);
 380     printf("\n");
 381     for(i = 0; i < 10;i++)
 382         printf("%d", i);
 383     printf("\n");
 384     i = 0;
 385     do {
 386         printf("%d", i++);
 387     } while (i < 10);
 388     printf("\n");
 389
 390     /* break/continue tests */
 391     i = 0;
 392     while (1) {
 393         if (i == 6)
 394             break;
 395         i++;
 396         if (i == 3)
 397             continue;
 398         printf("%d", i);
 399     }
 400     printf("\n");
 401
 402     /* break/continue tests */
 403     i = 0;
 404     do {
 405         if (i == 6)
 406             break;
 407         i++;
 408         if (i == 3)
 409             continue;
 410         printf("%d", i);
 411     } while(1);
 412     printf("\n");
 413
 414     for(i = 0;i < 10;i++) {
 415         if (i == 3)
 416             continue;
 417         printf("%d", i);
 418     }
 419     printf("\n");
 420 }
 421
 422
 423 void goto_test()
 424 {
 425     int i;
 426     static void *label_table[3] = { &&label1, &&label2, &&label3 };
 427
 428     printf("goto:\n");
 429     i = 0;
 430  s_loop:
 431     if (i >= 10)
 432         goto s_end;
 433     printf("%d", i);
 434     i++;
 435     goto s_loop;
 436  s_end:
 437     printf("\n");
 438
 439     /* we also test computed gotos (GCC extension) */
 440     for(i=0;i<3;i++) {
 441         goto *label_table[i];
 442     label1:
 443         printf("label1\n");
 444         goto next;
 445     label2:
 446         printf("label2\n");
 447         goto next;
 448     label3:
 449         printf("label3\n");
 450     next: ;
 451     }
 452 }
 453
 454 enum {
 455     E0,
 456     E1 = 2,
 457     E2 = 4,
 458     E3,
 459     E4,
 460 };
 461
 462 enum test {
 463     E5 = 1000,
 464 };
 465
 466 void enum_test()
 467 {
 468     enum test b1;
 469     printf("enum:\n%d %d %d %d %d %d\n",
 470            E0, E1, E2, E3, E4, E5);
 471     b1 = 1;
 472     printf("b1=%d\n", b1);
 473 }
 474
 475 typedef int *my_ptr;
 476
 477 typedef int mytype1;
 478 typedef int mytype2;
 479
 480 void typedef_test()
 481 {
 482     my_ptr a;
 483     mytype1 mytype2;
 484     int b;
 485
 486     a = &b;
 487     *a = 1234;
 488     printf("typedef:\n");
 489     printf("a=%d\n", *a);
 490     mytype2 = 2;
 491     printf("mytype2=%d\n", mytype2);
 492 }
 493
 494 void forward_test()
 495 {
 496     printf("forward:\n");
 497     forward_ref();
 498     forward_ref();
 499 }
 500
 501
 502 void forward_ref(void)
 503 {
 504     printf("forward ok\n");
 505 }
 506
 507 typedef struct struct1 {
 508     int f1;
 509     int f2, f3;
 510     union union1 {
 511         int v1;
 512         int v2;
 513     } u;
 514     char str[3];
 515 } struct1;
 516
 517 struct struct2 {
 518     int a;
 519     char b;
 520 };
 521
 522 union union2 {
 523     int w1;
 524     int w2;
 525 };
 526
 527 struct struct1 st1, st2;
 528
 529 int main(int argc, char **argv)
 530 {
 531     string_test();
 532     expr_test();
 533     macro_test();
 534     recursive_macro_test();
 535     scope_test();
 536     forward_test();
 537     funcptr_test();
 538     loop_test();
 539     switch_test();
 540     goto_test();
 541     enum_test();
 542     typedef_test();
 543     struct_test();
 544     array_test();
 545     expr_ptr_test();
 546     bool_test();
 547     expr2_test();
 548     constant_expr_test();
 549     expr_cmp_test();
 550     char_short_test();
 551     init_test();
 552     compound_literal_test();
 553     kr_test();
 554     struct_assign_test();
 555     cast_test();
 556     bitfield_test();
 557     c99_bool_test();
 558     float_test();
 559     longlong_test();
 560     manyarg_test();
 561     stdarg_test();
 562     whitespace_test();
 563     relocation_test();
 564     old_style_function();
 565     alloca_test();
 566     sizeof_test();
 567     typeof_test();
 568     statement_expr_test();
 569     local_label_test();
 570     asm_test();
 571     builtin_test();
 572     weak_test();
 573     return 0;
 574 }
 575
 576 int tab[3];
 577 int tab2[3][2];
 578
 579 int g;
 580
 581 void f1(g)
 582 {
 583     printf("g1=%d\n", g);
 584 }
 585
 586 void scope_test()
 587 {
 588     printf("scope:\n");
 589     g = 2;
 590     f1(1);
 591     printf("g2=%d\n", g);
 592     {
 593         int g;
 594         g = 3;
 595         printf("g3=%d\n", g);
 596         {
 597             int g;
 598             g = 4;
 599             printf("g4=%d\n", g);
 600         }
 601     }
 602     printf("g5=%d\n", g);
 603 }
 604
 605 void array_test(int a[4])
 606 {
 607     int i, j;
 608
 609     printf("array:\n");
 610     printf("sizeof(a) = %d\n", sizeof(a));
 611     printf("sizeof(\"a\") = %d\n", sizeof("a"));
 612 #ifdef C99_MACROS
 613     printf("sizeof(__func__) = %d\n", sizeof(__func__));
 614 #endif
 615     printf("sizeof tab %d\n", sizeof(tab));
 616     printf("sizeof tab2 %d\n", sizeof tab2);
 617     tab[0] = 1;
 618     tab[1] = 2;
 619     tab[2] = 3;
 620     printf("%d %d %d\n", tab[0], tab[1], tab[2]);
 621     for(i=0;i<3;i++)
 622         for(j=0;j<2;j++)
 623             tab2[i][j] = 10 * i + j;
 624     for(i=0;i<3*2;i++) {
 625         printf(" %3d", ((int *)tab2)[i]);
 626     }
 627     printf("\n");
 628     printf("sizeof(size_t)=%d\n", sizeof(size_t));
 629     printf("sizeof(ptrdiff_t)=%d\n", sizeof(ptrdiff_t));
 630 }
 631
 632 void expr_test()
 633 {
 634     int a, b;
 635     a = 0;
 636     printf("%d\n", a += 1);
 637     printf("%d\n", a -= 2);
 638     printf("%d\n", a *= 31232132);
 639     printf("%d\n", a /= 4);
 640     printf("%d\n", a %= 20);
 641     printf("%d\n", a &= 6);
 642     printf("%d\n", a ^= 7);
 643     printf("%d\n", a |= 8);
 644     printf("%d\n", a >>= 3);
 645     printf("%d\n", a <<= 4);
 646
 647     a = 22321;
 648     b = -22321;
 649     printf("%d\n", a + 1);
 650     printf("%d\n", a - 2);
 651     printf("%d\n", a * 312);
 652     printf("%d\n", a / 4);
 653     printf("%d\n", b / 4);
 654     printf("%d\n", (unsigned)b / 4);
 655     printf("%d\n", a % 20);
 656     printf("%d\n", b % 20);
 657     printf("%d\n", (unsigned)b % 20);
 658     printf("%d\n", a & 6);
 659     printf("%d\n", a ^ 7);
 660     printf("%d\n", a | 8);
 661     printf("%d\n", a >> 3);
 662     printf("%d\n", b >> 3);
 663     printf("%d\n", (unsigned)b >> 3);
 664     printf("%d\n", a << 4);
 665     printf("%d\n", ~a);
 666     printf("%d\n", -a);
 667     printf("%d\n", +a);
 668
 669     printf("%d\n", 12 + 1);
 670     printf("%d\n", 12 - 2);
 671     printf("%d\n", 12 * 312);
 672     printf("%d\n", 12 / 4);
 673     printf("%d\n", 12 % 20);
 674     printf("%d\n", 12 & 6);
 675     printf("%d\n", 12 ^ 7);
 676     printf("%d\n", 12 | 8);
 677     printf("%d\n", 12 >> 2);
 678     printf("%d\n", 12 << 4);
 679     printf("%d\n", ~12);
 680     printf("%d\n", -12);
 681     printf("%d\n", +12);
 682     printf("%d %d %d %d\n",
 683            isid('a'),
 684            isid('g'),
 685            isid('T'),
 686            isid('('));
 687 }
 688
 689 int isid(int c)
 690 {
 691     return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
 692 }
 693
 694 /**********************/
 695
 696 int vstack[10], *vstack_ptr;
 697
 698 void vpush(int vt, int vc)
 699 {
 700     *vstack_ptr++ = vt;
 701     *vstack_ptr++ = vc;
 702 }
 703
 704 void vpop(int *ft, int *fc)
 705 {
 706     *fc = *--vstack_ptr;
 707     *ft = *--vstack_ptr;
 708 }
 709
 710 void expr2_test()
 711 {
 712     int a, b;
 713
 714     printf("expr2:\n");
 715     vstack_ptr = vstack;
 716     vpush(1432432, 2);
 717     vstack_ptr[-2] &= ~0xffffff80;
 718     vpop(&a, &b);
 719     printf("res= %d %d\n", a, b);
 720 }
 721
 722 void constant_expr_test()
 723 {
 724     int a;
 725     printf("constant_expr:\n");
 726     a = 3;
 727     printf("%d\n", a * 16);
 728     printf("%d\n", a * 1);
 729     printf("%d\n", a + 0);
 730 }
 731
 732 int tab4[10];
 733
 734 void expr_ptr_test()
 735 {
 736     int *p, *q;
 737     int i = -1;
 738
 739     printf("expr_ptr:\n");
 740     p = tab4;
 741     q = tab4 + 10;
 742     printf("diff=%d\n", q - p);
 743     p++;
 744     printf("inc=%d\n", p - tab4);
 745     p--;
 746     printf("dec=%d\n", p - tab4);
 747     ++p;
 748     printf("inc=%d\n", p - tab4);
 749     --p;
 750     printf("dec=%d\n", p - tab4);
 751     printf("add=%d\n", p + 3 - tab4);
 752     printf("add=%d\n", 3 + p - tab4);
 753
 754     /* check if 64bit support is ok */
 755     q = p = 0;
 756     q += i;
 757     printf("%p %p %ld\n", q, p, p-q);
 758     printf("%d %d %d %d %d %d\n",
 759            p == q, p != q, p < q, p <= q, p >= q, p > q);
 760     i = 0xf0000000;
 761     p += i;
 762     printf("%p %p %ld\n", q, p, p-q);
 763     printf("%d %d %d %d %d %d\n",
 764            p == q, p != q, p < q, p <= q, p >= q, p > q);
 765     p = (int *)((char *)p + 0xf0000000);
 766     printf("%p %p %ld\n", q, p, p-q);
 767     printf("%d %d %d %d %d %d\n",
 768            p == q, p != q, p < q, p <= q, p >= q, p > q);
 769     p += 0xf0000000;
 770     printf("%p %p %ld\n", q, p, p-q);
 771     printf("%d %d %d %d %d %d\n",
 772            p == q, p != q, p < q, p <= q, p >= q, p > q);
 773     {
 774         struct size12 {
 775             int i, j, k;
 776         };
 777         struct size12 s[2], *sp = s;
 778         int i, j;
 779         sp->i = 42;
 780         sp++;
 781         j = -1;
 782         printf("%d\n", sp[j].i);
 783     }
 784 }
 785
 786 void expr_cmp_test()
 787 {
 788     int a, b;
 789     printf("constant_expr:\n");
 790     a = -1;
 791     b = 1;
 792     printf("%d\n", a == a);
 793     printf("%d\n", a != a);
 794
 795     printf("%d\n", a < b);
 796     printf("%d\n", a <= b);
 797     printf("%d\n", a <= a);
 798     printf("%d\n", b >= a);
 799     printf("%d\n", a >= a);
 800     printf("%d\n", b > a);
 801
 802     printf("%d\n", (unsigned)a < b);
 803     printf("%d\n", (unsigned)a <= b);
 804     printf("%d\n", (unsigned)a <= a);
 805     printf("%d\n", (unsigned)b >= a);
 806     printf("%d\n", (unsigned)a >= a);
 807     printf("%d\n", (unsigned)b > a);
 808 }
 809
 810 struct empty {
 811 };
 812
 813 struct aligntest1 {
 814     char a[10];
 815 };
 816
 817 struct aligntest2 {
 818     int a;
 819     char b[10];
 820 };
 821
 822 struct aligntest3 {
 823     double a, b;
 824 };
 825
 826 struct aligntest4 {
 827     double a[0];
 828 };
 829
 830 void struct_test()
 831 {
 832     struct1 *s;
 833     union union2 u;
 834
 835     printf("struct:\n");
 836     printf("sizes: %d %d %d %d\n",
 837            sizeof(struct struct1),
 838            sizeof(struct struct2),
 839            sizeof(union union1),
 840            sizeof(union union2));
 841     st1.f1 = 1;
 842     st1.f2 = 2;
 843     st1.f3 = 3;
 844     printf("st1: %d %d %d\n",
 845            st1.f1, st1.f2, st1.f3);
 846     st1.u.v1 = 1;
 847     st1.u.v2 = 2;
 848     printf("union1: %d\n", st1.u.v1);
 849     u.w1 = 1;
 850     u.w2 = 2;
 851     printf("union2: %d\n", u.w1);
 852     s = &st2;
 853     s->f1 = 3;
 854     s->f2 = 2;
 855     s->f3 = 1;
 856     printf("st2: %d %d %d\n",
 857            s->f1, s->f2, s->f3);
 858     printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
 859
 860     /* align / size tests */
 861     printf("aligntest1 sizeof=%d alignof=%d\n",
 862            sizeof(struct aligntest1), __alignof__(struct aligntest1));
 863     printf("aligntest2 sizeof=%d alignof=%d\n",
 864            sizeof(struct aligntest2), __alignof__(struct aligntest2));
 865     printf("aligntest3 sizeof=%d alignof=%d\n",
 866            sizeof(struct aligntest3), __alignof__(struct aligntest3));
 867     printf("aligntest4 sizeof=%d alignof=%d\n",
 868            sizeof(struct aligntest4), __alignof__(struct aligntest4));
 869
 870     /* empty structures (GCC extension) */
 871     printf("sizeof(struct empty) = %d\n", sizeof(struct empty));
 872     printf("alignof(struct empty) = %d\n", __alignof__(struct empty));
 873 }
 874
 875 /* XXX: depend on endianness */
 876 void char_short_test()
 877 {
 878     int var1, var2;
 879
 880     printf("char_short:\n");
 881
 882     var1 = 0x01020304;
 883     var2 = 0xfffefdfc;
 884     printf("s8=%d %d\n",
 885            *(char *)&var1, *(char *)&var2);
 886     printf("u8=%d %d\n",
 887            *(unsigned char *)&var1, *(unsigned char *)&var2);
 888     printf("s16=%d %d\n",
 889            *(short *)&var1, *(short *)&var2);
 890     printf("u16=%d %d\n",
 891            *(unsigned short *)&var1, *(unsigned short *)&var2);
 892     printf("s32=%d %d\n",
 893            *(int *)&var1, *(int *)&var2);
 894     printf("u32=%d %d\n",
 895            *(unsigned int *)&var1, *(unsigned int *)&var2);
 896     *(char *)&var1 = 0x08;
 897     printf("var1=%x\n", var1);
 898     *(short *)&var1 = 0x0809;
 899     printf("var1=%x\n", var1);
 900     *(int *)&var1 = 0x08090a0b;
 901     printf("var1=%x\n", var1);
 902 }
 903
 904 /******************/
 905
 906 typedef struct Sym {
 907     int v;
 908     int t;
 909     int c;
 910     struct Sym *next;
 911     struct Sym *prev;
 912 } Sym;
 913
 914 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
 915 #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
 916
 917 static int toupper1(int a)
 918 {
 919     return TOUPPER(a);
 920 }
 921
 922 void bool_test()
 923 {
 924     int *s, a, b, t, f, i;
 925
 926     a = 0;
 927     s = (void*)0;
 928     printf("!s=%d\n", !s);
 929
 930     if (!s || !s[0])
 931         a = 1;
 932     printf("a=%d\n", a);
 933
 934     printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
 935     printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
 936     printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
 937 #if 1 && 1
 938     printf("a1\n");
 939 #endif
 940 #if 1 || 0
 941     printf("a2\n");
 942 #endif
 943 #if 1 ? 0 : 1
 944     printf("a3\n");
 945 #endif
 946 #if 0 ? 0 : 1
 947     printf("a4\n");
 948 #endif
 949
 950     a = 4;
 951     printf("b=%d\n", a + (0 ? 1 : a / 2));
 952
 953     /* test register spilling */
 954     a = 10;
 955     b = 10;
 956     a = (a + b) * ((a < b) ?
 957                    ((b - a) * (a - b)): a + b);
 958     printf("a=%d\n", a);
 959
 960     /* test complex || or && expressions */
 961     t = 1;
 962     f = 0;
 963     a = 32;
 964     printf("exp=%d\n", f == (32 <= a && a <= 3));
 965     printf("r=%d\n", (t || f) + (t && f));
 966
 967     /* test ? : cast */
 968     {
 969         int aspect_on;
 970         int aspect_native = 65536;
 971         double bfu_aspect = 1.0;
 972         int aspect;
 973         for(aspect_on = 0; aspect_on < 2; aspect_on++) {
 974             aspect=aspect_on?(aspect_native*bfu_aspect+0.5):65535UL;
 975             printf("aspect=%d\n", aspect);
 976         }
 977     }
 978
 979     /* test ? : GCC extension */
 980     {
 981         static int v1 = 34 ? : -1; /* constant case */
 982         static int v2 = 0 ? : -1; /* constant case */
 983         int a = 30;
 984
 985         printf("%d %d\n", v1, v2);
 986         printf("%d %d\n", a - 30 ? : a * 2, a + 1 ? : a * 2);
 987     }
 988
 989     /* again complex expression */
 990     for(i=0;i<256;i++) {
 991         if (toupper1 (i) != TOUPPER (i))
 992             printf("error %d\n", i);
 993     }
 994 }
 995
 996 /* GCC accepts that */
 997 static int tab_reinit[];
 998 static int tab_reinit[10];
 999
1000 //int cinit1; /* a global variable can be defined several times without error ! */
1001 int cinit1;
1002 int cinit1;
1003 int cinit1 = 0;
1004 int *cinit2 = (int []){3, 2, 1};
1005
1006 void compound_literal_test(void)
1007 {
1008     int *p, i;
1009     char *q, *q3;
1010
1011     printf("compound_test:\n");
1012
1013     p = (int []){1, 2, 3};
1014     for(i=0;i<3;i++)
1015         printf(" %d", p[i]);
1016     printf("\n");
1017
1018     for(i=0;i<3;i++)
1019         printf("%d", cinit2[i]);
1020     printf("\n");
1021
1022     q = "tralala1";
1023     printf("q1=%s\n", q);
1024
1025     q = (char *){ "tralala2" };
1026     printf("q2=%s\n", q);
1027
1028     q3 = (char *){ q };
1029     printf("q3=%s\n", q3);
1030
1031     q = (char []){ "tralala3" };
1032     printf("q4=%s\n", q);
1033
1034 #ifdef ALL_ISOC99
1035     p = (int []){1, 2, cinit1 + 3};
1036     for(i=0;i<3;i++)
1037         printf(" %d", p[i]);
1038     printf("\n");
1039
1040     for(i=0;i<3;i++) {
1041         p = (int []){1, 2, 4 + i};
1042         printf("%d %d %d\n",
1043                p[0],
1044                p[1],
1045                p[2]);
1046     }
1047 #endif
1048 }
1049
1050 /* K & R protos */
1051
1052 kr_func1(a, b)
1053 {
1054     return a + b;
1055 }
1056
1057 int kr_func2(a, b)
1058 {
1059     return a + b;
1060 }
1061
1062 kr_test()
1063 {
1064     printf("kr_test:\n");
1065     printf("func1=%d\n", kr_func1(3, 4));
1066     printf("func2=%d\n", kr_func2(3, 4));
1067     return 0;
1068 }
1069
1070 void num(int n)
1071 {
1072     char *tab, *p;
1073     tab = (char*)malloc(20);
1074     p = tab;
1075     while (1) {
1076         *p = 48 + (n % 10);
1077         p++;
1078         n = n / 10;
1079         if (n == 0)
1080             break;
1081     }
1082     while (p != tab) {
1083         p--;
1084         printf("%c", *p);
1085     }
1086     printf("\n");
1087     free(tab);
1088 }
1089
1090 /* structure assignment tests */
1091 struct structa1 {
1092     int f1;
1093     char f2;
1094 };
1095
1096 struct structa1 ssta1;
1097
1098 void struct_assign_test1(struct structa1 s1, int t, float f)
1099 {
1100     printf("%d %d %d %f\n", s1.f1, s1.f2, t, f);
1101 }
1102
1103 struct structa1 struct_assign_test2(struct structa1 s1, int t)
1104 {
1105     s1.f1 += t;
1106     s1.f2 -= t;
1107     return s1;
1108 }
1109
1110 void struct_assign_test(void)
1111 {
1112     struct structa1 lsta1, lsta2;
1113
1114 #if 0
1115     printf("struct_assign_test:\n");
1116
1117     lsta1.f1 = 1;
1118     lsta1.f2 = 2;
1119     printf("%d %d\n", lsta1.f1, lsta1.f2);
1120     lsta2 = lsta1;
1121     printf("%d %d\n", lsta2.f1, lsta2.f2);
1122 #else
1123     lsta2.f1 = 1;
1124     lsta2.f2 = 2;
1125 #endif
1126     struct_assign_test1(lsta2, 3, 4.5);
1127
1128     printf("before call: %d %d\n", lsta2.f1, lsta2.f2);
1129     lsta2 = struct_assign_test2(lsta2, 4);
1130     printf("after call: %d %d\n", lsta2.f1, lsta2.f2);
1131
1132     static struct {
1133         void (*elem)();
1134     } t[] = {
1135         /* XXX: we should allow this even without braces */
1136         { struct_assign_test }
1137     };
1138     printf("%d\n", struct_assign_test == t[0].elem);
1139 }
1140
1141 /* casts to short/char */
1142
1143 void cast1(char a, short b, unsigned char c, unsigned short d)
1144 {
1145     printf("%d %d %d %d\n", a, b, c, d);
1146 }
1147
1148 char bcast;
1149 short scast;
1150
1151 void cast_test()
1152 {
1153     int a;
1154     char c;
1155     char tab[10];
1156     unsigned b,d;
1157     short s;
1158     char *p = NULL;
1159     p -= 0x700000000042;
1160
1161     printf("cast_test:\n");
1162     a = 0xfffff;
1163     cast1(a, a, a, a);
1164     a = 0xffffe;
1165     printf("%d %d %d %d\n",
1166            (char)(a + 1),
1167            (short)(a + 1),
1168            (unsigned char)(a + 1),
1169            (unsigned short)(a + 1));
1170     printf("%d %d %d %d\n",
1171            (char)0xfffff,
1172            (short)0xfffff,
1173            (unsigned char)0xfffff,
1174            (unsigned short)0xfffff);
1175
1176     a = (bcast = 128) + 1;
1177     printf("%d\n", a);
1178     a = (scast = 65536) + 1;
1179     printf("%d\n", a);
1180
1181     printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
1182
1183     /* test cast from unsigned to signed short to int */
1184     b = 0xf000;
1185     d = (short)b;
1186     printf("((unsigned)(short)0x%08x) = 0x%08x\n", b, d);
1187     b = 0xf0f0;
1188     d = (char)b;
1189     printf("((unsigned)(char)0x%08x) = 0x%08x\n", b, d);
1190
1191     /* test implicit int casting for array accesses */
1192     c = 0;
1193     tab[1] = 2;
1194     tab[c] = 1;
1195     printf("%d %d\n", tab[0], tab[1]);
1196
1197     /* test implicit casting on some operators */
1198     printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
1199     printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
1200     printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
1201
1202     /* from pointer to integer types */
1203     printf("%d %d %ld %ld %lld %lld\n",
1204            (int)p, (unsigned int)p,
1205            (long)p, (unsigned long)p,
1206            (long long)p, (unsigned long long)p);
1207
1208     /* from integers to pointers */
1209     printf("%p %p %p %p\n",
1210            (void *)a, (void *)b, (void *)c, (void *)d);
1211 }
1212
1213 /* initializers tests */
1214 struct structinit1 {
1215     int f1;
1216     char f2;
1217     short f3;
1218     int farray[3];
1219 };
1220
1221 int sinit1 = 2;
1222 int sinit2 = { 3 };
1223 int sinit3[3] = { 1, 2, {{3}}, };
1224 int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1225 int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
1226 int sinit6[] = { 1, 2, 3 };
1227 int sinit7[] = { [2] = 3, [0] = 1, 2 };
1228 char sinit8[] = "hello" "trala";
1229
1230 struct structinit1 sinit9 = { 1, 2, 3 };
1231 struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
1232 struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
1233 #ifdef ALL_ISOC99
1234                                .farray[0] = 10,
1235                                .farray[1] = 11,
1236                                .farray[2] = 12,
1237 #endif
1238 };
1239
1240 char *sinit12 = "hello world";
1241 char *sinit13[] = {
1242     "test1",
1243     "test2",
1244     "test3",
1245 };
1246 char sinit14[10] = { "abc" };
1247 int sinit15[3] = { sizeof(sinit15), 1, 2 };
1248
1249 struct { int a[3], b; } sinit16[] = { { 1 }, 2 };
1250
1251 struct bar {
1252         char *s;
1253         int len;
1254 } sinit17[] = {
1255         "a1", 4,
1256         "a2", 1
1257 };
1258
1259 int sinit18[10] = {
1260     [2 ... 5] = 20,
1261     2,
1262     [8] = 10,
1263 };
1264
1265 struct complexinit0 {
1266     int a;
1267     int b;
1268 };
1269
1270 struct complexinit {
1271     int a;
1272     const struct complexinit0 *b;
1273 };
1274
1275 const static struct complexinit cix[] = {
1276     [0] = {
1277         .a = 2000,
1278         .b = (const struct complexinit0[]) {
1279                 { 2001, 2002 },
1280                 { 2003, 2003 },
1281                 {}
1282         }
1283     }
1284 };
1285
1286 struct complexinit2 {
1287         int a;
1288         int b[];
1289 };
1290
1291 struct complexinit2 cix21 = {
1292         .a = 3000,
1293         .b = { 3001, 3002, 3003 }
1294 };
1295
1296 struct complexinit2 cix22 = {
1297         .a = 4000,
1298         .b = { 4001, 4002, 4003, 4004, 4005, 4006 }
1299 };
1300
1301 void init_test(void)
1302 {
1303     int linit1 = 2;
1304     int linit2 = { 3 };
1305     int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1306     int linit6[] = { 1, 2, 3 };
1307     int i, j;
1308     char linit8[] = "hello" "trala";
1309     int linit12[10] = { 1, 2 };
1310     int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
1311     char linit14[10] = "abc";
1312     int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
1313     struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
1314     int linit17 = sizeof(linit17);
1315
1316     printf("init_test:\n");
1317
1318     printf("sinit1=%d\n", sinit1);
1319     printf("sinit2=%d\n", sinit2);
1320     printf("sinit3=%d %d %d %d\n",
1321            sizeof(sinit3),
1322            sinit3[0],
1323            sinit3[1],
1324            sinit3[2]
1325            );
1326     printf("sinit6=%d\n", sizeof(sinit6));
1327     printf("sinit7=%d %d %d %d\n",
1328            sizeof(sinit7),
1329            sinit7[0],
1330            sinit7[1],
1331            sinit7[2]
1332            );
1333     printf("sinit8=%s\n", sinit8);
1334     printf("sinit9=%d %d %d\n",
1335            sinit9.f1,
1336            sinit9.f2,
1337            sinit9.f3
1338            );
1339     printf("sinit10=%d %d %d\n",
1340            sinit10.f1,
1341            sinit10.f2,
1342            sinit10.f3
1343            );
1344     printf("sinit11=%d %d %d %d %d %d\n",
1345            sinit11.f1,
1346            sinit11.f2,
1347            sinit11.f3,
1348            sinit11.farray[0],
1349            sinit11.farray[1],
1350            sinit11.farray[2]
1351            );
1352
1353     for(i=0;i<3;i++)
1354         for(j=0;j<2;j++)
1355             printf("[%d][%d] = %d %d %d\n",
1356                    i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
1357     printf("linit1=%d\n", linit1);
1358     printf("linit2=%d\n", linit2);
1359     printf("linit6=%d\n", sizeof(linit6));
1360     printf("linit8=%d %s\n", sizeof(linit8), linit8);
1361
1362     printf("sinit12=%s\n", sinit12);
1363     printf("sinit13=%d %s %s %s\n",
1364            sizeof(sinit13),
1365            sinit13[0],
1366            sinit13[1],
1367            sinit13[2]);
1368     printf("sinit14=%s\n", sinit14);
1369
1370     for(i=0;i<10;i++) printf(" %d", linit12[i]);
1371     printf("\n");
1372     for(i=0;i<10;i++) printf(" %d", linit13[i]);
1373     printf("\n");
1374     for(i=0;i<10;i++) printf(" %d", linit14[i]);
1375     printf("\n");
1376     for(i=0;i<10;i++) printf(" %d", linit15[i]);
1377     printf("\n");
1378     printf("%d %d %d %d\n",
1379            linit16.a1,
1380            linit16.a2,
1381            linit16.a3,
1382            linit16.a4);
1383     /* test that initialisation is done after variable declare */
1384     printf("linit17=%d\n", linit17);
1385     printf("sinit15=%d\n", sinit15[0]);
1386     printf("sinit16=%d %d\n", sinit16[0].a[0], sinit16[1].a[0]);
1387     printf("sinit17=%s %d %s %d\n",
1388            sinit17[0].s, sinit17[0].len,
1389            sinit17[1].s, sinit17[1].len);
1390     for(i=0;i<10;i++)
1391         printf("%x ", sinit18[i]);
1392     printf("\n");
1393     /* complex init check */
1394     printf("cix: %d %d %d %d %d %d %d\n",
1395         cix[0].a,
1396         cix[0].b[0].a, cix[0].b[0].b,
1397         cix[0].b[1].a, cix[0].b[1].b,
1398         cix[0].b[2].a, cix[0].b[2].b);
1399     printf("cix2: %d %d\n", cix21.b[2], cix22.b[5]);
1400 }
1401
1402
1403 void switch_test()
1404 {
1405     int i;
1406
1407     for(i=0;i<15;i++) {
1408         switch(i) {
1409         case 0:
1410         case 1:
1411             printf("a");
1412             break;
1413         default:
1414             printf("%d", i);
1415             break;
1416         case 8 ... 12:
1417             printf("c");
1418             break;
1419         case 3:
1420             printf("b");
1421             break;
1422         }
1423     }
1424     printf("\n");
1425 }
1426
1427 /* ISOC99 _Bool type */
1428 void c99_bool_test(void)
1429 {
1430 #ifdef BOOL_ISOC99
1431     int a;
1432     _Bool b;
1433
1434     printf("bool_test:\n");
1435     printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
1436     a = 3;
1437     printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
1438     b = 3;
1439     printf("b = %d\n", b);
1440     b++;
1441     printf("b = %d\n", b);
1442 #endif
1443 }
1444
1445 void bitfield_test(void)
1446 {
1447     int a;
1448     struct sbf1 {
1449         int f1 : 3;
1450         int : 2;
1451         int f2 : 1;
1452         int : 0;
1453         int f3 : 5;
1454         int f4 : 7;
1455         unsigned int f5 : 7;
1456     } st1;
1457     printf("bitfield_test:");
1458     printf("sizeof(st1) = %d\n", sizeof(st1));
1459
1460     st1.f1 = 3;
1461     st1.f2 = 1;
1462     st1.f3 = 15;
1463     a = 120;
1464     st1.f4 = a;
1465     st1.f5 = a;
1466     st1.f5++;
1467     printf("%d %d %d %d %d\n",
1468            st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
1469
1470     st1.f1 = 7;
1471     if (st1.f1 == -1)
1472         printf("st1.f1 == -1\n");
1473     else
1474         printf("st1.f1 != -1\n");
1475     if (st1.f2 == -1)
1476         printf("st1.f2 == -1\n");
1477     else
1478         printf("st1.f2 != -1\n");
1479
1480     /* bit sizes below must be bigger than 32 since GCC doesn't allow
1481        long-long bitfields whose size is not bigger than int */
1482     struct sbf2 {
1483         long long f1 : 45;
1484         long long : 2;
1485         long long f2 : 35;
1486         unsigned long long f3 : 38;
1487     } st2;
1488     st2.f1 = 0x123456789ULL;
1489     a = 120;
1490     st2.f2 = (long long)a << 25;
1491     st2.f3 = a;
1492     st2.f2++;
1493     printf("%lld %lld %lld\n", st2.f1, st2.f2, st2.f3);
1494 }
1495
1496 #ifdef __x86_64__
1497 #define FLOAT_FMT "%f\n"
1498 #else
1499 /* x86's float isn't compatible with GCC */
1500 #define FLOAT_FMT "%.5f\n"
1501 #endif
1502
1503 /* declare strto* functions as they are C99 */
1504 double strtod(const char *nptr, char **endptr);
1505 float strtof(const char *nptr, char **endptr);
1506 long double strtold(const char *nptr, char **endptr);
1507
1508 #define FTEST(prefix, type, fmt)\
1509 void prefix ## cmp(type a, type b)\
1510 {\
1511     printf("%d %d %d %d %d %d\n",\
1512            a == b,\
1513            a != b,\
1514            a < b,\
1515            a > b,\
1516            a >= b,\
1517            a <= b);\
1518     printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
1519            a,\
1520            b,\
1521            a + b,\
1522            a - b,\
1523            a * b,\
1524            a / b,\
1525            -a);\
1526     printf(fmt "\n", ++a);\
1527     printf(fmt "\n", a++);\
1528     printf(fmt "\n", a);\
1529     b = 0;\
1530     printf("%d %d\n", !a, !b);\
1531 }\
1532 void prefix ## fcast(type a)\
1533 {\
1534     float fa;\
1535     double da;\
1536     long double la;\
1537     int ia;\
1538     unsigned int ua;\
1539     type b;\
1540     fa = a;\
1541     da = a;\
1542     la = a;\
1543     printf("ftof: %f %f %Lf\n", fa, da, la);\
1544     ia = (int)a;\
1545     ua = (unsigned int)a;\
1546     printf("ftoi: %d %u\n", ia, ua);\
1547     ia = -1234;\
1548     ua = 0x81234500;\
1549     b = ia;\
1550     printf("itof: " fmt "\n", b);\
1551     b = ua;\
1552     printf("utof: " fmt "\n", b);\
1553 }\
1554 \
1555 float prefix ## retf(type a) { return a; }\
1556 double prefix ## retd(type a) { return a; }\
1557 long double prefix ## retld(type a) { return a; }\
1558 \
1559 void prefix ## call(void)\
1560 {\
1561     printf("float: " FLOAT_FMT, prefix ## retf(42.123456789));\
1562     printf("double: %f\n", prefix ## retd(42.123456789));\
1563     printf("long double: %Lf\n", prefix ## retld(42.123456789));\
1564     printf("strto%s: %f\n", #prefix, (double)strto ## prefix("1.2", NULL));\
1565 }\
1566 \
1567 void prefix ## test(void)\
1568 {\
1569     printf("testing '%s'\n", #type);\
1570     prefix ## cmp(1, 2.5);\
1571     prefix ## cmp(2, 1.5);\
1572     prefix ## cmp(1, 1);\
1573     prefix ## fcast(234.6);\
1574     prefix ## fcast(-2334.6);\
1575     prefix ## call();\
1576 }
1577
1578 FTEST(f, float, "%f")
1579 FTEST(d, double, "%f")
1580 FTEST(ld, long double, "%Lf")
1581
1582 double ftab1[3] = { 1.2, 3.4, -5.6 };
1583
1584
1585 void float_test(void)
1586 {
1587     float fa, fb;
1588     double da, db;
1589     int a;
1590     unsigned int b;
1591
1592     printf("float_test:\n");
1593     printf("sizeof(float) = %d\n", sizeof(float));
1594     printf("sizeof(double) = %d\n", sizeof(double));
1595     printf("sizeof(long double) = %d\n", sizeof(long double));
1596     ftest();
1597     dtest();
1598     ldtest();
1599     printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
1600     printf("%f %f %f\n", 2.12, .5, 2.3e10);
1601     //    printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
1602     da = 123;
1603     printf("da=%f\n", da);
1604     fa = 123;
1605     printf("fa=%f\n", fa);
1606     a = 4000000000;
1607     da = a;
1608     printf("da = %f\n", da);
1609     b = 4000000000;
1610     db = b;
1611     printf("db = %f\n", db);
1612 }
1613
1614 int fib(int n)
1615 {
1616     if (n <= 2)
1617         return 1;
1618     else
1619         return fib(n-1) + fib(n-2);
1620 }
1621
1622 void funcptr_test()
1623 {
1624     void (*func)(int);
1625     int a;
1626     struct {
1627         int dummy;
1628         void (*func)(int);
1629     } st1;
1630
1631     printf("funcptr:\n");
1632     func = &num;
1633     (*func)(12345);
1634     func = num;
1635     a = 1;
1636     a = 1;
1637     func(12345);
1638     /* more complicated pointer computation */
1639     st1.func = num;
1640     st1.func(12346);
1641     printf("sizeof1 = %d\n", sizeof(funcptr_test));
1642     printf("sizeof2 = %d\n", sizeof funcptr_test);
1643     printf("sizeof3 = %d\n", sizeof(&funcptr_test));
1644     printf("sizeof4 = %d\n", sizeof &funcptr_test);
1645 }
1646
1647 void lloptest(long long a, long long b)
1648 {
1649     unsigned long long ua, ub;
1650
1651     ua = a;
1652     ub = b;
1653     /* arith */
1654     printf("arith: %Ld %Ld %Ld\n",
1655            a + b,
1656            a - b,
1657            a * b);
1658
1659     if (b != 0) {
1660         printf("arith1: %Ld %Ld\n",
1661            a / b,
1662            a % b);
1663     }
1664
1665     /* binary */
1666     printf("bin: %Ld %Ld %Ld\n",
1667            a & b,
1668            a | b,
1669            a ^ b);
1670
1671     /* tests */
1672     printf("test: %d %d %d %d %d %d\n",
1673            a == b,
1674            a != b,
1675            a < b,
1676            a > b,
1677            a >= b,
1678            a <= b);
1679
1680     printf("utest: %d %d %d %d %d %d\n",
1681            ua == ub,
1682            ua != ub,
1683            ua < ub,
1684            ua > ub,
1685            ua >= ub,
1686            ua <= ub);
1687
1688     /* arith2 */
1689     a++;
1690     b++;
1691     printf("arith2: %Ld %Ld\n", a, b);
1692     printf("arith2: %Ld %Ld\n", a++, b++);
1693     printf("arith2: %Ld %Ld\n", --a, --b);
1694     printf("arith2: %Ld %Ld\n", a, b);
1695     b = ub = 0;
1696     printf("not: %d %d %d %d\n", !a, !ua, !b, !ub);
1697 }
1698
1699 void llshift(long long a, int b)
1700 {
1701     printf("shift: %Ld %Ld %Ld\n",
1702            (unsigned long long)a >> b,
1703            a >> b,
1704            a << b);
1705     printf("shiftc: %Ld %Ld %Ld\n",
1706            (unsigned long long)a >> 3,
1707            a >> 3,
1708            a << 3);
1709     printf("shiftc: %Ld %Ld %Ld\n",
1710            (unsigned long long)a >> 35,
1711            a >> 35,
1712            a << 35);
1713 }
1714
1715 void llfloat(void)
1716 {
1717     float fa;
1718     double da;
1719     long double lda;
1720     long long la, lb, lc;
1721     unsigned long long ula, ulb, ulc;
1722     la = 0x12345678;
1723     ula = 0x72345678;
1724     la = (la << 20) | 0x12345;
1725     ula = ula << 33;
1726     printf("la=%Ld ula=%Lu\n", la, ula);
1727
1728     fa = la;
1729     da = la;
1730     lda = la;
1731     printf("lltof: %f %f %Lf\n", fa, da, lda);
1732
1733     la = fa;
1734     lb = da;
1735     lc = lda;
1736     printf("ftoll: %Ld %Ld %Ld\n", la, lb, lc);
1737
1738     fa = ula;
1739     da = ula;
1740     lda = ula;
1741     printf("ulltof: %f %f %Lf\n", fa, da, lda);
1742
1743     ula = fa;
1744     ulb = da;
1745     ulc = lda;
1746     printf("ftoull: %Lu %Lu %Lu\n", ula, ulb, ulc);
1747 }
1748
1749 long long llfunc1(int a)
1750 {
1751     return a * 2;
1752 }
1753
1754 struct S {
1755     int id;
1756     char item;
1757 };
1758
1759 long long int value(struct S *v)
1760 {
1761     return ((long long int)v->item);
1762 }
1763
1764 void longlong_test(void)
1765 {
1766     long long a, b, c;
1767     int ia;
1768     unsigned int ua;
1769     printf("longlong_test:\n");
1770     printf("sizeof(long long) = %d\n", sizeof(long long));
1771     ia = -1;
1772     ua = -2;
1773     a = ia;
1774     b = ua;
1775     printf("%Ld %Ld\n", a, b);
1776     printf("%Ld %Ld %Ld %Lx\n",
1777            (long long)1,
1778            (long long)-2,
1779            1LL,
1780            0x1234567812345679);
1781     a = llfunc1(-3);
1782     printf("%Ld\n", a);
1783
1784     lloptest(1000, 23);
1785     lloptest(0xff, 0x1234);
1786     b = 0x72345678 << 10;
1787     lloptest(-3, b);
1788     llshift(0x123, 5);
1789     llshift(-23, 5);
1790     b = 0x72345678LL << 10;
1791     llshift(b, 47);
1792
1793     llfloat();
1794 #if 1
1795     b = 0x12345678;
1796     a = -1;
1797     c = a + b;
1798     printf("%Lx\n", c);
1799 #endif
1800
1801     /* long long reg spill test */
1802     {
1803           struct S a;
1804
1805           a.item = 3;
1806           printf("%lld\n", value(&a));
1807     }
1808     lloptest(0x80000000, 0);
1809
1810     /* another long long spill test */
1811     {
1812         long long *p, v;
1813         v = 1;
1814         p = &v;
1815         p[0]++;
1816         printf("%lld\n", *p);
1817     }
1818
1819     a = 68719476720LL;
1820     b = 4294967295LL;
1821     printf("%d %d %d %d\n", a > b, a < b, a >= b, a <= b);
1822
1823     printf("%Ld\n", 0x123456789LLU);
1824 }
1825
1826 void manyarg_test(void)
1827 {
1828     long double ld = 1234567891234LL;
1829     printf("manyarg_test:\n");
1830     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
1831            1, 2, 3, 4, 5, 6, 7, 8,
1832            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
1833     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1834            "%Ld %Ld %f %f\n",
1835            1, 2, 3, 4, 5, 6, 7, 8,
1836            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1837            1234567891234LL, 987654321986LL,
1838            42.0, 43.0);
1839     printf("%Lf %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1840            "%Ld %Ld %f %f\n",
1841            ld, 1, 2, 3, 4, 5, 6, 7, 8,
1842            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1843            1234567891234LL, 987654321986LL,
1844            42.0, 43.0);
1845     /* XXX: known bug of x86-64 */
1846 #ifndef __x86_64__
1847     printf("%d %d %d %d %d %d %d %d %Lf\n",
1848            1, 2, 3, 4, 5, 6, 7, 8, ld);
1849     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1850            "%Ld %Ld %f %f %Lf\n",
1851            1, 2, 3, 4, 5, 6, 7, 8,
1852            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1853            1234567891234LL, 987654321986LL,
1854            42.0, 43.0, ld);
1855     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1856            "%Lf %Ld %Ld %f %f %Lf\n",
1857            1, 2, 3, 4, 5, 6, 7, 8,
1858            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1859            ld, 1234567891234LL, 987654321986LL,
1860            42.0, 43.0, ld);
1861 #endif
1862 }
1863
1864 void vprintf1(const char *fmt, ...)
1865 {
1866     va_list ap, aq;
1867     const char *p;
1868     int c, i;
1869     double d;
1870     long long ll;
1871     long double ld;
1872
1873     va_start(aq, fmt);
1874     va_copy(ap, aq);
1875
1876     p = fmt;
1877     for(;;) {
1878         c = *p;
1879         if (c == '\0')
1880             break;
1881         p++;
1882         if (c == '%') {
1883             c = *p;
1884             switch(c) {
1885             case '\0':
1886                 goto the_end;
1887             case 'd':
1888                 i = va_arg(ap, int);
1889                 printf("%d", i);
1890                 break;
1891             case 'f':
1892                 d = va_arg(ap, double);
1893                 printf("%f", d);
1894                 break;
1895             case 'l':
1896                 ll = va_arg(ap, long long);
1897                 printf("%Ld", ll);
1898                 break;
1899             case 'F':
1900                 ld = va_arg(ap, long double);
1901                 printf("%Lf", ld);
1902                 break;
1903             }
1904             p++;
1905         } else {
1906             putchar(c);
1907         }
1908     }
1909  the_end:
1910     va_end(aq);
1911     va_end(ap);
1912 }
1913
1914 struct myspace {
1915     short int profile;
1916 };
1917
1918 void stdarg_for_struct(struct myspace bob, ...)
1919 {
1920     struct myspace george, bill;
1921     va_list ap;
1922     short int validate;
1923
1924     va_start(ap, bob);
1925     bill     = va_arg(ap, struct myspace);
1926     george   = va_arg(ap, struct myspace);
1927     validate = va_arg(ap, int);
1928     printf("stdarg_for_struct: %d %d %d %d\n",
1929            bob.profile, bill.profile, george.profile, validate);
1930     va_end(ap);
1931 }
1932
1933 void stdarg_test(void)
1934 {
1935     long double ld = 1234567891234LL;
1936     struct myspace bob;
1937
1938     vprintf1("%d %d %d\n", 1, 2, 3);
1939     vprintf1("%f %d %f\n", 1.0, 2, 3.0);
1940     vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
1941     vprintf1("%F %F %F\n", 1.2L, 2.3L, 3.4L);
1942 #ifdef __x86_64__
1943     /* a bug of x86's TCC */
1944     vprintf1("%d %f %l %F %d %f %l %F\n",
1945              1, 1.2, 3L, 4.5L, 6, 7.8, 9L, 0.1L);
1946 #endif
1947     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f\n",
1948              1, 2, 3, 4, 5, 6, 7, 8,
1949              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8);
1950     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
1951              1, 2, 3, 4, 5, 6, 7, 8,
1952              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
1953     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1954              "%l %l %f %f\n",
1955              1, 2, 3, 4, 5, 6, 7, 8,
1956              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1957              1234567891234LL, 987654321986LL,
1958              42.0, 43.0);
1959     vprintf1("%F %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1960              "%l %l %f %f\n",
1961              ld, 1, 2, 3, 4, 5, 6, 7, 8,
1962              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1963              1234567891234LL, 987654321986LL,
1964              42.0, 43.0);
1965     vprintf1("%d %d %d %d %d %d %d %d %F\n",
1966              1, 2, 3, 4, 5, 6, 7, 8, ld);
1967     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1968              "%l %l %f %f %F\n",
1969              1, 2, 3, 4, 5, 6, 7, 8,
1970              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1971              1234567891234LL, 987654321986LL,
1972              42.0, 43.0, ld);
1973     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1974              "%F %l %l %f %f %F\n",
1975              1, 2, 3, 4, 5, 6, 7, 8,
1976              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1977              ld, 1234567891234LL, 987654321986LL,
1978              42.0, 43.0, ld);
1979
1980     bob.profile = 42;
1981     stdarg_for_struct(bob, bob, bob, bob.profile);
1982 }
1983
1984 void whitespace_test(void)
1985 {
1986     char *str;
1987
1988 \f\v
#if 1
1989     pri\
1990 ntf("whitspace:\n");\f\v
1991 #endif
1992     pf("N=%d\n", 2);
1993
1994 #ifdef CORRECT_CR_HANDLING
1995     pri\
1996 ntf("aaa=%d\n", 3);
1997 #endif
1998
1999     pri\
2000 \
2001 ntf("min=%d\n", 4);
2002
2003 #ifdef ACCEPT_CR_IN_STRINGS
2004     printf("len1=%d\n", strlen("
2005 "));
2006 #ifdef CORRECT_CR_HANDLING
2007     str = "
2008 ";
2009     printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
2010 #endif
2011     printf("len1=%d\n", strlen("
a
2012 "));
2013 #endif /* ACCEPT_CR_IN_STRINGS */
2014 }
2015
2016 int reltab[3] = { 1, 2, 3 };
2017
2018 int *rel1 = &reltab[1];
2019 int *rel2 = &reltab[2];
2020
2021 void relocation_test(void)
2022 {
2023     printf("*rel1=%d\n", *rel1);
2024     printf("*rel2=%d\n", *rel2);
2025 }
2026
2027 void old_style_f(a,b,c)
2028      int a, b;
2029      double c;
2030 {
2031     printf("a=%d b=%d b=%f\n", a, b, c);
2032 }
2033
2034 void decl_func1(int cmpfn())
2035 {
2036     printf("cmpfn=%lx\n", (long)cmpfn);
2037 }
2038
2039 void decl_func2(cmpfn)
2040 int cmpfn();
2041 {
2042     printf("cmpfn=%lx\n", (long)cmpfn);
2043 }
2044
2045 void old_style_function(void)
2046 {
2047     old_style_f((void *)1, 2, 3.0);
2048     decl_func1(NULL);
2049     decl_func2(NULL);
2050 }
2051
2052 void alloca_test()
2053 {
2054 #if defined __i386__ || defined __x86_64__
2055     char *p = alloca(16);
2056     strcpy(p,"123456789012345");
2057     printf("alloca: p is %s\n", p);
2058     char *demo = "This is only a test.\n";
2059     /* Test alloca embedded in a larger expression */
2060     printf("alloca: %s\n", strcpy(alloca(strlen(demo)+1),demo) );
2061 #endif
2062 }
2063
2064 void sizeof_test(void)
2065 {
2066     int a;
2067     int **ptr;
2068
2069     printf("sizeof(int) = %d\n", sizeof(int));
2070     printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
2071     printf("sizeof(long) = %d\n", sizeof(long));
2072     printf("sizeof(unsigned long) = %d\n", sizeof(unsigned long));
2073     printf("sizeof(short) = %d\n", sizeof(short));
2074     printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
2075     printf("sizeof(char) = %d\n", sizeof(char));
2076     printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
2077     printf("sizeof(func) = %d\n", sizeof sizeof_test());
2078     a = 1;
2079     printf("sizeof(a++) = %d\n", sizeof a++);
2080     printf("a=%d\n", a);
2081     ptr = NULL;
2082     printf("sizeof(**ptr) = %d\n", sizeof (**ptr));
2083
2084     /* some alignof tests */
2085     printf("__alignof__(int) = %d\n", __alignof__(int));
2086     printf("__alignof__(unsigned int) = %d\n", __alignof__(unsigned int));
2087     printf("__alignof__(short) = %d\n", __alignof__(short));
2088     printf("__alignof__(unsigned short) = %d\n", __alignof__(unsigned short));
2089     printf("__alignof__(char) = %d\n", __alignof__(char));
2090     printf("__alignof__(unsigned char) = %d\n", __alignof__(unsigned char));
2091     printf("__alignof__(func) = %d\n", __alignof__ sizeof_test());
2092 }
2093
2094 void typeof_test(void)
2095 {
2096     double a;
2097     typeof(a) b;
2098     typeof(float) c;
2099
2100     a = 1.5;
2101     b = 2.5;
2102     c = 3.5;
2103     printf("a=%f b=%f c=%f\n", a, b, c);
2104 }
2105
2106 void statement_expr_test(void)
2107 {
2108     int a, i;
2109
2110     a = 0;
2111     for(i=0;i<10;i++) {
2112         a += 1 +
2113             ( { int b, j;
2114                 b = 0;
2115                 for(j=0;j<5;j++)
2116                     b += j; b;
2117             } );
2118     }
2119     printf("a=%d\n", a);
2120
2121 }
2122
2123 void local_label_test(void)
2124 {
2125     int a;
2126     goto l1;
2127  l2:
2128     a = 1 + ({
2129         __label__ l1, l2, l3, l4;
2130         goto l1;
2131     l4:
2132         printf("aa1\n");
2133         goto l3;
2134     l2:
2135         printf("aa3\n");
2136         goto l4;
2137     l1:
2138         printf("aa2\n");
2139         goto l2;
2140     l3:;
2141         1;
2142     });
2143     printf("a=%d\n", a);
2144     return;
2145  l4:
2146     printf("bb1\n");
2147     goto l2;
2148  l1:
2149     printf("bb2\n");
2150     goto l4;
2151 }
2152
2153 /* inline assembler test */
2154 #ifdef __i386__
2155
2156 /* from linux kernel */
2157 static char * strncat1(char * dest,const char * src,size_t count)
2158 {
2159 int d0, d1, d2, d3;
2160 __asm__ __volatile__(
2161         "repne\n\t"
2162         "scasb\n\t"
2163         "decl %1\n\t"
2164         "movl %8,%3\n"
2165         "1:\tdecl %3\n\t"
2166         "js 2f\n\t"
2167         "lodsb\n\t"
2168         "stosb\n\t"
2169         "testb %%al,%%al\n\t"
2170         "jne 1b\n"
2171         "2:\txorl %2,%2\n\t"
2172         "stosb"
2173         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2174         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2175         : "memory");
2176 return dest;
2177 }
2178
2179 static char * strncat2(char * dest,const char * src,size_t count)
2180 {
2181 int d0, d1, d2, d3;
2182 __asm__ __volatile__(
2183         "repne scasb\n\t" /* one-line repne prefix + string op */
2184         "decl %1\n\t"
2185         "movl %8,%3\n"
2186         "1:\tdecl %3\n\t"
2187         "js 2f\n\t"
2188         "lodsb\n\t"
2189         "stosb\n\t"
2190         "testb %%al,%%al\n\t"
2191         "jne 1b\n"
2192         "2:\txorl %2,%2\n\t"
2193         "stosb"
2194         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2195         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2196         : "memory");
2197 return dest;
2198 }
2199
2200 static inline void * memcpy1(void * to, const void * from, size_t n)
2201 {
2202 int d0, d1, d2;
2203 __asm__ __volatile__(
2204         "rep ; movsl\n\t"
2205         "testb $2,%b4\n\t"
2206         "je 1f\n\t"
2207         "movsw\n"
2208         "1:\ttestb $1,%b4\n\t"
2209         "je 2f\n\t"
2210         "movsb\n"
2211         "2:"
2212         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2213         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2214         : "memory");
2215 return (to);
2216 }
2217
2218 static inline void * memcpy2(void * to, const void * from, size_t n)
2219 {
2220 int d0, d1, d2;
2221 __asm__ __volatile__(
2222         "rep movsl\n\t"  /* one-line rep prefix + string op */
2223         "testb $2,%b4\n\t"
2224         "je 1f\n\t"
2225         "movsw\n"
2226         "1:\ttestb $1,%b4\n\t"
2227         "je 2f\n\t"
2228         "movsb\n"
2229         "2:"
2230         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2231         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2232         : "memory");
2233 return (to);
2234 }
2235
2236 static __inline__ void sigaddset1(unsigned int *set, int _sig)
2237 {
2238         __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2239 }
2240
2241 static __inline__ void sigdelset1(unsigned int *set, int _sig)
2242 {
2243         asm("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2244 }
2245
2246 static __inline__ __const__ unsigned int swab32(unsigned int x)
2247 {
2248         __asm__("xchgb %b0,%h0\n\t"     /* swap lower bytes     */
2249                 "rorl $16,%0\n\t"       /* swap words           */
2250                 "xchgb %b0,%h0"         /* swap higher bytes    */
2251                 :"=q" (x)
2252                 : "0" (x));
2253         return x;
2254 }
2255
2256 static __inline__ unsigned long long mul64(unsigned int a, unsigned int b)
2257 {
2258     unsigned long long res;
2259     __asm__("mull %2" : "=A" (res) : "a" (a), "r" (b));
2260     return res;
2261 }
2262
2263 static __inline__ unsigned long long inc64(unsigned long long a)
2264 {
2265     unsigned long long res;
2266     __asm__("addl $1, %%eax ; adcl $0, %%edx" : "=A" (res) : "A" (a));
2267     return res;
2268 }
2269
2270 unsigned int set;
2271
2272 void asm_test(void)
2273 {
2274     char buf[128];
2275     unsigned int val;
2276
2277     printf("inline asm:\n");
2278     /* test the no operand case */
2279     asm volatile ("xorl %eax, %eax");
2280
2281     memcpy1(buf, "hello", 6);
2282     strncat1(buf, " worldXXXXX", 3);
2283     printf("%s\n", buf);
2284
2285     memcpy2(buf, "hello", 6);
2286     strncat2(buf, " worldXXXXX", 3);
2287     printf("%s\n", buf);
2288
2289     /* 'A' constraint test */
2290     printf("mul64=0x%Lx\n", mul64(0x12345678, 0xabcd1234));
2291     printf("inc64=0x%Lx\n", inc64(0x12345678ffffffff));
2292
2293     set = 0xff;
2294     sigdelset1(&set, 2);
2295     sigaddset1(&set, 16);
2296     /* NOTE: we test here if C labels are correctly restored after the
2297        asm statement */
2298     goto label1;
2299  label2:
2300     __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");
2301 #ifdef __GNUC__ // works strange with GCC 4.3
2302     set=0x1080fd;
2303 #endif
2304     printf("set=0x%x\n", set);
2305     val = 0x01020304;
2306     printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val));
2307     return;
2308  label1:
2309     goto label2;
2310 }
2311
2312 #else
2313
2314 void asm_test(void)
2315 {
2316 }
2317
2318 #endif
2319
2320 #define COMPAT_TYPE(type1, type2) \
2321 {\
2322     printf("__builtin_types_compatible_p(%s, %s) = %d\n", #type1, #type2, \
2323            __builtin_types_compatible_p (type1, type2));\
2324 }
2325
2326 int constant_p_var;
2327
2328 void builtin_test(void)
2329 {
2330 #if GCC_MAJOR >= 3
2331     COMPAT_TYPE(int, int);
2332     COMPAT_TYPE(int, unsigned int);
2333     COMPAT_TYPE(int, char);
2334     COMPAT_TYPE(int, const int);
2335     COMPAT_TYPE(int, volatile int);
2336     COMPAT_TYPE(int *, int *);
2337     COMPAT_TYPE(int *, void *);
2338     COMPAT_TYPE(int *, const int *);
2339     COMPAT_TYPE(char *, unsigned char *);
2340 /* space is needed because tcc preprocessor introduces a space between each token */
2341     COMPAT_TYPE(char * *, void *);
2342 #endif
2343     printf("res = %d\n", __builtin_constant_p(1));
2344     printf("res = %d\n", __builtin_constant_p(1 + 2));
2345     printf("res = %d\n", __builtin_constant_p(&constant_p_var));
2346     printf("res = %d\n", __builtin_constant_p(constant_p_var));
2347 }
2348
2349
2350 extern int __attribute__((weak)) weak_f1(void);
2351 extern int __attribute__((weak)) weak_f2(void);
2352 extern int                       weak_f3(void);
2353 extern int __attribute__((weak)) weak_v1;
2354 extern int __attribute__((weak)) weak_v2;
2355 extern int                       weak_v3;
2356
2357 extern int                           (*weak_fpa)() __attribute__((weak));
2358 extern int __attribute__((weak))     (*weak_fpb)();
2359 extern     __attribute__((weak)) int (*weak_fpc)();
2360
2361 extern int                     weak_asm_f1(void) asm("weak_asm_f1x") __attribute((weak));
2362 extern int __attribute((weak)) weak_asm_f2(void) asm("weak_asm_f2x")                    ;
2363 extern int __attribute((weak)) weak_asm_f3(void) asm("weak_asm_f3x") __attribute((weak));
2364 extern int                     weak_asm_v1       asm("weak_asm_v1x") __attribute((weak));
2365 extern int __attribute((weak)) weak_asm_v2       asm("weak_asm_v2x")                    ;
2366 extern int __attribute((weak)) weak_asm_v3(void) asm("weak_asm_v3x") __attribute((weak));
2367
2368 static const size_t dummy = 0;
2369 extern __typeof(dummy) weak_dummy1 __attribute__((weak, alias("dummy")));
2370 extern __typeof(dummy) __attribute__((weak, alias("dummy"))) weak_dummy2;
2371 extern __attribute__((weak, alias("dummy"))) __typeof(dummy) weak_dummy3;
2372
2373 void __attribute__((weak)) weak_test(void)
2374 {
2375         printf("weak_f1=%d\n", weak_f1 ? weak_f1() : 123);
2376         printf("weak_f2=%d\n", weak_f2 ? weak_f2() : 123);
2377         printf("weak_f3=%d\n", weak_f3 ? weak_f3() : 123);
2378         printf("weak_v1=%d\n",&weak_v1 ? weak_v1   : 123);
2379         printf("weak_v2=%d\n",&weak_v2 ? weak_v2   : 123);
2380         printf("weak_v3=%d\n",&weak_v3 ? weak_v3   : 123);
2381
2382         printf("weak_fpa=%d\n",&weak_fpa ? weak_fpa() : 123);
2383         printf("weak_fpb=%d\n",&weak_fpb ? weak_fpb() : 123);
2384         printf("weak_fpc=%d\n",&weak_fpc ? weak_fpc() : 123);
2385
2386         printf("weak_asm_f1=%d\n", weak_asm_f1 != NULL);
2387         printf("weak_asm_f2=%d\n", weak_asm_f2 != NULL);
2388         printf("weak_asm_f3=%d\n", weak_asm_f3 != NULL);
2389         printf("weak_asm_v1=%d\n",&weak_asm_v1 != NULL);
2390         printf("weak_asm_v2=%d\n",&weak_asm_v2 != NULL);
2391         printf("weak_asm_v3=%d\n",&weak_asm_v3 != NULL);
2392 }
2393
2394 int __attribute__((weak)) weak_f2() { return 222; }
2395 int __attribute__((weak)) weak_f3() { return 333; }
2396 int __attribute__((weak)) weak_v2 = 222;
2397 int __attribute__((weak)) weak_v3 = 333;
2398
2399 void const_func(const int a)
2400 {
2401 }
2402
2403 void const_warn_test(void)
2404 {
2405     const_func(1);
2406 }